4554321 has 16 divisors (see below), whose sum is σ = 6332928. Its totient is φ = 2908800.

The previous prime is 4554313. The next prime is 4554323. The reversal of 4554321 is 1234554.

It is not a de Polignac number, because 4554321 - 2³ = 4554313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4554291 and 4554300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4554323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7200 + ... + 7806.

It is an arithmetic number, because the mean of its divisors is an integer number (395808).

Almost surely, 2^4554321 is an apocalyptic number.

4554321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4554321 is a deficient number, since it is larger than the sum of its proper divisors (1778607).

4554321 is a wasteful number, since it uses less digits than its factorization.

4554321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712.

The product of its digits is 2400, while the sum is 24.

The square root of 4554321 is about 2134.0855184364. The cubic root of 4554321 is about 165.7580182622.

Adding to 4554321 its reverse (1234554), we get a palindrome (5788875).

The spelling of 4554321 in words is "four million, five hundred fifty-four thousand, three hundred twenty-one".